body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #ffafbd, #ffc3a0);
    min-height: 100vh;
    margin: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: #333;
}
.container {
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    max-width: 600px;
    margin: 20px;
}
h1 {
    color: #ff4b6e;
    margin-bottom: 1.5rem;
}
.heart {
    color: #ff4b6e;
    font-size: 50px;
    animation: pulse 1s infinite;
}
.message {
    font-size: 1.2rem;
    line-height: 1.6;
    margin: 1.5rem 0;
}
.buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 2rem;
}
.btn {
    padding: 12px 30px;
    font-size: 1.1rem;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: transform 0.2s;
}
.btn:hover {
    transform: scale(1.05);
}
#siBtn {
    background: #ff4b6e;
    color: white;
}
#noBtn {
    background: #f5f5f5;
    color: #333;
}
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}
.hidden {
    display: none;
}
#response {
    font-size: 1.5rem;
    margin-top: 1.5rem;
    font-weight: bold;
    color: #ff4b6e;
}